British Journal of Anaesthesia, Vol 75, Issue 5 631-633, Copyright © 1995 by The Board of Management and Trustees of the British Journal of Anaesthesia
H. E. Bunting, M. C. Kelly and K. R. Milligan
This study was designed to assess the effect of nebulized lignocaine or
saline given before induction on the quality of induction of anaesthesia
with desflurane in unpremedicated, young, adult males. Of the first six
patients, five developed laryngospasm, breath-holding, coughing and
increased secretions. In four patients oxygen saturation decreased to 92%
or less. Significant tachycardia and hypertension occurred in four
patients, and bradyarrhythmia after induction occurred in three patients.
Hiccups and bronchospasm occurred in one patient. Because of the
unacceptably high incidence of complications, the study was discontinued.
The incidence and severity of complications were not decreased by
administration of nebulized lignocaine and were higher than those reported
by other workers. We conclude that in unpremedicated, young, adult males,
induction of anaesthesia with desflurane and nitrous oxide in oxygen was
associated with a high incidence of respiratory irritant effects,
tachycardia, hypertension and post-induction bradyarrhythmia. We also found
that lignocaine, as used in this study, did not appear to obtund the
cardiovascular and respiratory complications during inhalation induction
using desflurane.
SHORT COMMUNICATIONS
Effect of nebulized lignocaine on airway irritation and haemodynamic changes during induction of anaesthesia with desflurane
The Queen's University of Belfast, Department of Anaesthetics, Whitla Medical Building, 97 Lisburn Road, Belfast, N. Ireland BT9 7BL
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